#include <stdio.h>

namespace sg
{
	class Player
	{
		public :
			static void ShowTeamName()
			{
				printf("My Team is ShangGuan !\n");

				// WARNING it is wrong
//				this->tmp = 1;

			}
			static void ShowScoolName();
		
		private :
			int tmp;	
	};

	void Player::ShowScoolName()
	{
		printf("My School is PKU!\n");
	}
}

int main()
{
	sg::Player::ShowTeamName();
	sg::Player::ShowScoolName();

	sg::Player p;

	// WARNING don't use like this
	p.ShowTeamName();
	p.ShowScoolName();

	return 0;
}
